TBESG
ἐπι-σύστασις, -εως, ἡ
(< ἐπισυνίστημι) [in LXX: Num.16:40 (עֵדָה) Num.26:9 (נָצָה hi.), I Est.5:73 A* ;]
a gathering, a riotous throng: Rec. (for ἐπίστασις, which see), Act.24:12, 2Co.11:28.†
(AS)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars